H03H 9/30
Time-delay networks
H03H9/30 (Time-delay networks) appears on 188 US grants and 41 published applications in this corpus.
Search patents in H03H- Granted patents
- 188
- Published applications
- 41
- Assignees
- 92
- Inventors
- 290
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 14 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 4 |
| 2014 | 0 | 2 |
| 2015 | 6 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 4 |
| 2020 | 5 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 4 |
| 2023 | 2 | 4 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dispersive delay line with piezoelectric substrate and lamb wave propagation29 Sep 2026US 12,750,036 B2Skyworks Solutions, Inc.
- Acoustic wave devices and modules with acoustic wave devices25 Aug 2026US 12,719,450 B2Sanan Japan Technology Corporation
- Higher order lamb wave acoustic devices with complementarily-oriented piezoelectric layers24 Mar 2026US 12,587,161 B2The Board of Trustees of the University of Illinois
- Dispersive delay line with piezoelectric substrate5 Aug 2025US 12,381,537 B2Skyworks Solutions, Inc.
- Dispersive delay line with lamb wave propagation15 Apr 2025US 12,278,618 B2Skyworks Solutions, Inc.
- Receiver and communication device13 Mar 2025US 2025/0088206 A1Murata Manufacturing Co., Ltd.
- Two-Dimensional Resonant Rod-Based Delay Line With High Bandwidth14 Nov 2024US 2024/0380384 A1Northeastern University
- Acoustic wave devices and modules with acoustic wave devices31 Oct 2024US 2024/0364310 A1Sanan Japan Technology Corporation
- Self-interference cancelation apparatus in piezoelectric semiconductor platforms25 Jul 2024US 2024/0250706 A1University of Central Florida Research Foundation, Inc.
- Dispersive delay line with piezoelectric substrate and lamb wave propagation6 Jul 2023US 2023/0216473 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Phase-locked loop delay line196US 4,922,141 AWestern Digital Corporation · 1990
- Reference oscillator frequency stabilization142US 7,248,128 B2Nokia Corporation · 2007
- Plate-mode ultrasonic structure including a gel134US 5,212,988 AThe Reagents of the University of California · 1993
- Surface acoustic wave devices and method of manufacture thereof89US 4,672,254 AMassachusetts Institute of Technology · 1987
- Backscatter transponder interrogation device58US 6,611,224 B1X-Cyte, Inc. · 2003